What RPG systems are there for a traditional Call of Cthulhu adventure (e.g. a basic premise of being investigators in 20th century/modern timeframe within the Lovecraft Mythos)? I know that there is ...

Are there any official (ie. published by Chaosium or its licensees) sources on what the Deep Ones (and, secondarily, similarly "human-scoped" creatures: ghouls, Mi-Go etc) of the Cthulhu Mythos are up ...

Is there an official stance - expressed in the publications of Chaosium and/or its licensees - on how Lovecraft and his works are incorporated metafictionally into the universe of Call of Cthulhu, if ...

What effect would removing or partially removing the skill cap in the d20 system (with a focus on DnD3.5 and Cthulhu d20)?
By partial removal I mean - for example - (handing out all the skill points ...